Pls solve the question and also tell the reason .. faltu logo ke faltu answers not required ......fast answer
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Answer:
c) 90°
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the answer is 90°
Step-by-step explanation:
Sum of angle A and B=180°
(co-interior angles)
1/2of angle A+ 1/2of angle B=180°
sum of all angles of a triangle=180°
180°- (angleOAB+ angleOBA)=AOB
=90°.
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